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CVE-2022-20726— Cisco IOx Application Hosting Environment Vulnerabilities

Quick assessment

Affected
Cisco Cisco IOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Iox是美国思科（Cisco）公司的一个结合了Cisco IOS和Linux OS用于安全网络连接以及开发IOT应用的安全开发环境。 Cisco Iox 应用托管环境存在安全漏洞，该漏洞源于套接字操作的错误处理不足。攻击者可以通过向受影响设备上的 IOx Web 服务器发送持续速率的压缩 TCP 流量来利用此漏洞。成功利用此漏洞可让攻击者导致 IOx Web 服务器停止处理请求，从而导致 DoS 情况。以下产品和版本受到影响：Cisco 809 工业集成多业务路由器 (工业 ISRs)、Cis

CVSS 5.5 · Medium EPSS 1.12% · P65

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-20726

Vulnerability Information
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Vulnerability Title
Cisco IOx Application Hosting Environment Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Iox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Iox是美国思科（Cisco）公司的一个结合了Cisco IOS和Linux OS用于安全网络连接以及开发IOT应用的安全开发环境。 Cisco Iox 应用托管环境存在安全漏洞，该漏洞源于套接字操作的错误处理不足。攻击者可以通过向受影响设备上的 IOx Web 服务器发送持续速率的压缩 TCP 流量来利用此漏洞。成功利用此漏洞可让攻击者导致 IOx Web 服务器停止处理请求，从而导致 DoS 情况。以下产品和版本受到影响：Cisco 809 工业集成多业务路由器 (工业 ISRs)、Cis
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco IOS n/a -

II. Public POCs for CVE-2022-20726

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III. Intelligence Information for CVE-2022-20726

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Vendor Advisories for CVE-2022-20726 (1)

Same Patch Batch · Cisco · 2022-04-15 · 34 CVEs total

CVE-2022-20695 10.0 CRITICAL Cisco Wireless LAN Controller Management Interface Authentication Bypass Vulnerability
CVE-2022-20622 8.6 HIGH Cisco Embedded Wireless Controller with Catalyst Access Points IP Flood Denial of Service
CVE-2022-20714 8.6 HIGH Cisco IOS XR Software for ASR 9000 Series Routers Lightspeed-Plus Line Cards Denial of Ser
CVE-2022-20697 8.6 HIGH Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability
CVE-2022-20678 8.6 HIGH Cisco IOS XE Software AppNav-XE Denial of Service Vulnerability
CVE-2022-20682 8.6 HIGH Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Se
CVE-2022-20683 8.6 HIGH Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Application Visibility
CVE-2022-20716 7.8 HIGH Cisco SD-WAN Solution Improper Access Control Vulnerability
CVE-2022-20681 7.8 HIGH Cisco IOS XE Software for Cisco Catalyst 9000 Family Switches and Catalyst 9000 Family Wir
CVE-2022-20692 7.7 HIGH Cisco IOS XE Software NETCONF Over SSH Denial of Service Vulnerability
CVE-2022-20684 7.4 HIGH Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Trap Denial of
CVE-2022-20761 7.4 HIGH Cisco 1000 Series Connected Grid Router Integrated Wireless Access Point Denial of Service
CVE-2022-20739 7.3 HIGH Cisco SD-WAN vManage Software Privilege Escalation Vulnerability
CVE-2022-20679 6.8 MEDIUM Cisco IOS XE Software IPSec Denial of Service Vulnerability
CVE-2022-20694 6.8 MEDIUM Cisco IOS XE Software Border Gateway Protocol Resource Public Key Infrastructure Denial of
CVE-2022-20758 6.8 MEDIUM Cisco IOS XR Software Border Gateway Protocol Ethernet VPN Denial of Service Vulnerability
CVE-2022-20747 6.5 MEDIUM Cisco SD-WAN vManage Software Information Disclosure Vulnerability
CVE-2022-20735 6.5 MEDIUM Cisco SD-WAN vManage Software Cross-Site Request Forgery Vulnerability
CVE-2022-20727 5.5 MEDIUM Cisco IOx Application Hosting Environment Vulnerabilities
CVE-2022-20677 5.5 MEDIUM Cisco IOx Application Hosting Environment Vulnerabilities

Showing top 20 of 34 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco IOS
Same vendor: Cisco
Same weakness: CWE-22

V. Comments for CVE-2022-20726

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